.music-box {
    height: 532px;
    overflow: hidden;
    width: 100%;
    position: relative;
    background-image: linear-gradient(#f2f2f2, #fafafa);
}

.music-box-content {
    margin: 0 auto;
    width: 1200px;
    height: 532px;
    overflow: hidden;
}

.music-box-title {
    text-align: center;
    color: #000;
    font-size: 30px;
    font-weight: 600;
    padding: 50px 0 24px;
    letter-spacing: 16px;
}

.music-class {
    height: 50px;
    text-align: center;
}

.music-class-item-active {
    color: #31c27c;
    padding: 25px;
    font-size: 15px;
}

.music-class-item {
    padding: 25px;
    font-size: 15px;
    color: #333;
}

.music-class-item:hover {
    color: #31c27c;
}

.music-player-box {
    width: 100%;
    height: 310px;
    overflow: hidden;
    position: relative;
}

.music-player-ul {
    position: absolute;
    left: 0;
    top: 0;
    width: 10000px;
}

.player-left-btn-box {
    position: absolute;
    left: -79px;
    top: 50%;
    margin-top: -54px;
    width: 79px;
    height: 108px;
    background: rgba(0, 0, 0, .05);
    display: flex;
    justify-content: center;
    align-items: center;
    transition-duration: .5s;
}

.player-left-btn-box:hover {
    background: rgba(0, 0, 0, .1);
}

.player-left-btn {
    display: block;
    width: 20px;
    height: 39px;
    background: url(../image/icon_sprite.png) -20px -120px;
}

.player-right-btn-box {
    position: absolute;
    right: -79px;
    top: 50%;
    margin-top: -54px;
    width: 79px;
    height: 108px;
    background: rgba(0, 0, 0, .05);
    display: flex;
    justify-content: center;
    align-items: center;
    transition-duration: .5s;
}

.player-right-btn-box:hover {
    background: rgba(0, 0, 0, .1);
}

.player-right-btn {
    display: block;
    width: 20px;
    height: 39px;
    background: url(../image/icon_sprite.png) 0 -120px;
}

.music-box:hover .player-left-btn-box {
    left: 0;
}

.music-box:hover .player-right-btn-box {
    right: 0;
}

#page-01-box {
    position: absolute;
    left: 50%;
    margin-left: -12px;
    bottom: 32px;
    width: 8px;
    height: 8px;
    border-radius: 12px;
    background-color: rgba(0,0,0,.3);
    cursor: pointer;
}

#page-02-box {
    position: absolute;
    left: 50%;
    margin-left: 12px;
    bottom: 32px;
    width: 8px;
    height: 8px;
    border-radius: 12px;
    background-color: rgba(0,0,0,.1);
    cursor: pointer;
}